(function(root,factory,plugName){factory(root,plugName);})(window,function(root,plugName){var Go=function(config){if(!root['$']||!root['jQuery']){console.error('');}
console.log(''+plugName);this.hide=config.hide||false;this.url=config.url||"data:image/png;base64,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";this.state=config.state||'bottom';this.height=config.height||'40px';this.width=config.width||'40px';this.time=config.time||500;this.scrollTop=config.scrollTop||400;this.aimation=config.aimation||'show';this.toTop=config.toTop;this.toShow=config.toShow;this.toHide=config.toHide;this.go=config.go;this.hidetime=config.hidetime||2000;this.init();}
Go.prototype={constructor:Go,init:function(){var sate,_this=this,timer=null;if(this.state=='center'){sate='top:50%';}
else if(this.state=='bottom'){sate='bottom:10%'}
var dom='<div class="GoTop-box" style="width:'+this.width+';height:'+this.height+';display:none;position:fixed;right:10px;'+sate+'"><img src='+this.url+' style="width:100%"></div>'
$('body').append(dom);$(window).on('scroll',throttle(scroll,50));function scroll(){if($(window).scrollTop()>=_this.scrollTop){$('.GoTop-box').css('display','block').addClass(_this.aimation);if(_this.hide){clearTimeout(timer);timer=setTimeout(function(){$('.GoTop-box').css('display','none');_this.toHide&&_this.toHide();},2000)}
_this.toShow&&_this.toShow();}else{if($('.GoTop-box').css('display')=='block'){_this.toHide&&_this.toHide();}
$('.GoTop-box').hide().removeClass(_this.aimation);}
if($(window).scrollTop()<=5){_this.toTop&&_this.toTop();}}
$('.GoTop-box').on('click',function(){$('html,body').animate({scrollTop:0},500,function(){_this.toTop&&_this.toTop();});_this.go&&_this.go();})
$(window).on('load',function(){if($(window).scrollTop()==0){return;}
scroll();})
$('.GoTop-box').on('mouseenter',function(){clearTimeout(timer);$('.GoTop-box').css('display','blcok');})
$('.GoTop-box').on('mouseleave',function(){timer=setTimeout(function(){$('.GoTop-box').css('display','none');_this.toHide&&_this.toHide();},2000)})}}
function throttle(fn,time){var timer=null;return function(){var ctx=this,arg=arguments;clearTimeout(timer);timer=setTimeout(function(){fn.apply(ctx,arg)},time)}}
root[plugName]=Go;},'GoTop');